how to make a minecraft ender portal. computer ONLY, sorry pocket edition
Step 1: HIT THE DIRT!!!!!!!!
dig a 3x3 trench in the dirt. (it has to be dirt)
Step 2: LAVA
Fill your trench with lava. There cannot be ANY current.
Step 3: BLOCKS
Surrond the trench with end portal blocks.
Step 4: THE EYES
fill all the potal blocks with eyes of ender. remember it doesn't usually work so replace the last portal and eye. GOOD LUCK.